Expansion paper board folder with molded gusset
OwnerThomas J. Coreyinventor
Life of this patent
Estimating the term…
Abstract
An expansion folder with internal dividers with an accordion-pleated spline, comprising, a front cover, the front cover comprising an outwardly facing surface and an inwardly facing surface, a rear cover, the rear cover comprising an outwardly facing surface and an inwardly facing surface, a plurality of dividers, each of the plurality of dividers comprising a front-facing surface and a rear-facing surface, and, an accordion-pleated spline, the spline comprising a polymer formed into a plurality of pleats, the pleats further comprising an alternating series of “M-shaped” and “W-shaped” pleats.
Claims17
An expansion folder with internal dividers, said folder having an accordion-pleated spline, said folder comprising:
- a front cover, said front cover comprising an outwardly facing surface and an inwardly facing surface;
- a rear cover, said rear cover comprising an outwardly facing surface and an inwardly facing surface;
- a plurality of dividers, each of said plurality of dividers comprising a front-facing surface and a rear-facing surface;
- and,
- an accordion-pleated spline, said spline comprising a polymer formed into a plurality of pleats, said pleats further comprising an alternating series of “M-shaped” and “W-shaped” pleats, wherein a single internal surface of one of said M-shaped pleats is fixedly secured to said outwardly facing surface of said front cover, a single internal surface and a single external surface of one of said W-shaped pleat is fixedly secured to said inwardly facing surface of said rear cover and said outwardly facing surface of said rear cover, respectively, and one and only one internal surface of one of said M-shaped pleats or one and only one external surface of said W-shaped pleats is secured to either said front-facing surface or said rear-facing surface of one of each of said plurality of dividers.
An expansion folder with internal dividers, said folder having an accordion-pleated spline, said folder comprising:
- a front cover, said front cover comprising an outwardly facing surface and an inwardly facing surface;
- a rear cover, said rear cover comprising an outwardly facing surface and an inwardly facing surface;
- a plurality of dividers, each of said plurality of dividers comprising a front-facing surface and a rear-facing surface;
- an accordion-pleated spline, said spline comprising a polymer formed into a plurality of pleats, said pleats further comprising an alternating series of “M-shaped” and “W-shaped” pleats, wherein a single internal surface of one of said M-shaped pleats is fixedly secured to said outwardly facing surface of said front cover, a single internal surface and a single external surface of one of said W-shaped pleat is fixedly secured to said inwardly facing surface of said rear cover and said outwardly facing surface of said rear cover, respectively, and one and only one internal surface of one of said M-shaped pleats or one and only one external surface of said W-shaped pleats is secured to either said front-facing surface or said rear-facing surface of one of each of said plurality of dividers;
- and,
- at least one fastener arranged to clamp said outwardly facing surface of said front cover and said outwardly facing surface of said rear cover.
Dependencies are inferred from the claim text.